1A7V:
reference: Basis for monomer stabilization in Rhodopseudomonas palustris cytochrome c' derived from the crystal structure., Shibata N, Iba S, Misaki S, Meyer TE, Bartsch RG, Cusanovich MA, Morimoto Y, Higuchi Y, Yasuoka N, J Mol Biol 1998 Dec 4;284(3):751-60. PMID: 9826513

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).